Professional Leagues

1921-1931 American Soccer League

1960-1965 International Soccer League

1967 United Soccer Association

1967 National Professional Soccer League

1968-1984 North American Soccer League

1983 Canadian Professional Soccer League

1984-1985 United Soccer League

1987-1992 Canadian Soccer League

American Professional Soccer League

Minor Leagues

1933-1983 American Soccer League

Regional Leagues

German-American League

Greater Los Angeles Soccer League

Italian American Soccer League of New York

National Soccer League (Chicago)

National Soccer League (New York)

National Soccer League (Ontario & Quebec)

St. Louis Soccer League